Suma:
Hydroxypropylmethylcylosellose (HPMC) uye hydroxyTHELTELcellose (HEC) zvese zviri zviviri zvinowanzo shandiswa zvinowedzera mune zvekudya, maindasitiri ezvekudya. Aya maCellulose derivatives vane upfu hwakakura tarisiro nekuda kweiyo yavo yakasarudzika yemvura solubility, kusimba kugadzikana, uye kugona kwakanaka kwefirimu.
1.comemical chimiro:
HPMC ndeye Synthetic Polymer inotorwa kubva ku cellulose. Iyo yakagadzirwa nemakemikari kugadzirisa yakasikwa cellulose nekuwedzera propylone oxide uye methyl chloride. HEC zvakare mhando yemasero inobva, asi inogadzirwa nekuita zvakasikwa cellulose neEndlyne oxide wobva waibata neAlkali.
2. Solubility:
Zvese HPMC uye HPMC uye Hec Asi iyo solubility yehisheni yakaderera pane hpmc. Izvi zvinoreva HPMC ine zviri nani kupararira uye inogona kushandiswa nyore nyore mukuumbwa.
3. Viscosity:
HPMC uye Hec ine akasiyana viscosity hunhu nekuda kwezvivakwa zvavo zvemakemikari. Hec ine yakakwira molecular uremu uye denser chimiro kupfuura hpmc, chinopa iyo yepamusoro yepamusoro. Naizvozvo, hec inowanzo shandiswa seyakavhiringidzika mune mafambiro anodiwa kwazvo viscosity, nepo Hpmc inoshandiswa mune mafambiro anoda kuderera viscosity.
4. Firimu-fomu rekugadzira:
Zvese HPMC uye Hec ine yakanaka firimu-yekugadzira kugona. Asi HPMC ine yakadzika firimu-yekugadzira tembiricha, zvinoreva kuti inogona kushandiswa pakudziya kwakadzika. Izvi zvinoita kuti HPMC yakanyanya kushandiswa pakushandisa mumamiriro ezvinhu anoda nekukurumidza kuoma nguva uye kuderedza zviri nani.
5. Kugadzikana:
HPMC uye HEC yakamanikidzwa pasi penzvimbo yakawanda pH uye tembiricha. Nekudaro, hec ine hanya zvakanyanya ne pH shanduko pane hpmc. Izvi zvinoreva kuti hec inofanirwa kushandiswa mukuumbwa nePH chikamu che5 kusvika ku10, nepo Hpmc inogona kushandiswa mune yakafara pH range.
6. Chikumbiro:
Hunhu hwakasiyana hweHPMC uye Hec zvinoita kuti vakwanise kuve vakakodzera kuti vashandiswe zvakasiyana. Hec inowanzo shandiswa seyekuita mumiriri mune cosmetic uye pharmaceutical formation. Iyo inoshandiswawo seyekuchinjika uye firimu-inoumba mumiririri mukugadzira piritsi. HPMC inoshandiswa seanoti, stabilizer, uye nemumidavha-gadzira mumiriri mune chikafu, zvinodhaka, uye cosmetic mafomu. Iyo inoshandiswawo seganda mumiririri mune zvimwe zvekudya zvekudya.
Mukupedzisa:
HPMC uye HPM CLE ZVESE ZVESE ZVINOGONESA ZVINOGONESESA ZVINOGONESESA ZVINOGONESESA ZVINOGONESESWA ZVAKAWANDA ZVAKAWANDA ZVAKAWANDA. Kunzwisisa mutsauko pakati peizvi zviviri zvinowanikwa zvinogona kukubatsira kusarudza iyo yakakodzera yeiyo yako yekubheka. Zvakazara, HPMC uye HPMC uye inowedzera zvakachengeteka uye zvinowedzera zvinopihwa zvinobatsira kune chikafu, cosmetic uye mishonga maindasitiri.
Kutumira Nguva: Sep-13-2023